Some users are claiming that disabling the Handoff feature alleviates the issue, but others are reporting no change after making this tweak. Some of those affected say that restarting their iPhone fixed the problem (since this is simple and non-destructive, it might be worth a try).

Battery degradation doesn’t seem to play a part, with some users reporting that iOS’s built-in battery health checker is giving their handset a clean bill of health. Others affected say that their battery was replaced not that long ago.